The butterbur extract petasin has no effect on skin test reactivity induced by different stimuli: a randomized, double-blind crossover study using histamine, codeine, methacholine, and aeroallergen solutions.

@article{GexCollet2006TheBE,
  title={The butterbur extract petasin has no effect on skin test reactivity induced by different stimuli: a randomized, double-blind crossover study using histamine, codeine, methacholine, and aeroallergen solutions.},
  author={C Gex-Collet and Laurence Imhof and Axel Brattstr{\"o}m and Werner Joseph Pichler and Arthur Helbling},
  journal={Journal of investigational allergology & clinical immunology},
  year={2006},
  volume={16 3},
  pages={156-61}
}
BACKGROUND Petasin (Ze 339) was recently introduced on the market as a potent herbal antiallergic drug for treatment of respiratory allergies such as hay fever. Few clinical studies have been performed so far addressing the clinical effectiveness of Ze 339. OBJECTIVE To evaluate the antiallergic properties of Ze 339 using skin prick tests with different… CONTINUE READING